Vehicle transmission hill holder

Details Vehicle transmission hill holder Vehicle transmission hill holder

1994-05-09

1995-12-12

Lorence, Richard M.

192 clutches and power-stop control

Vortex-flow drive and clutch

With brake

192 4A, 192 4C, B60K 4126

Patent

active

054741645

ABSTRACT:
A hill hold mechanism for use in a motor vehicle transmission. The mechanism includes a one-way clutch coupled to a transmission input shaft, a toggle link with a friction pad coupled to the transmission output shaft, and a friction band, coupled to the one-way clutch, for locking the one-way clutch when the toggle link and the friction pad react to a change in rotational direction of the output shaft. With this mechanism, when a vehicle is stopped on an incline and the vehicle attempts to roll down the incline, the one-way clutch is engaged and prevents rolling, but will not prevent the vehicle from moving in the driven direction when the vehicle engine begins to power it.

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